Aqueous composition useful in ore floatation containing aliphatic amine, extender oil, and emulsifier
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United States of America Patent
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Apr 16, 1996
Grant Date -
N/A
app pub date -
May 26, 1994
filing date -
May 26, 1994
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A composition, adapted to be used in the flotation of ore fractions in aqueous suspension, consists essentially of: (a) water; (b) a hydrocarbon extender oil, preferably one having a low aromatics content; (c) a long chain aliphatic amine, such as a tallow-based amine, preferably one with an iodine value is less than about 20 cg/g; and (d) an acid emulsifier. This composition is prepared by the following successive steps: (a) dissolution of the amine in the oil at an elevated temperature, (b) addition of the acid to the aqueous phase, (c) addition of the oil containing the amine to the aqueous phase, and (d) emulsification of the mixture using an appropriate shearing.
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